Emergency teams will continue efforts to retrieve the bodies of those who died when a passenger jet and helicopter collided.
The audio indicates that air traffic controllers tried to warn the Army helicopter about a nearby Canadair Regional Jet.
An American Airlines regional jet went down in the Potomac River near Ronald Reagan Washington National Airport.
The National Transportation Safety Board says it has recovered a cockpit voice recorder and flight data recorder from the American Airlines plane that collided with an Army Black Hawk helicopter near ...